Fires after the upload button in the media upload interface.
wp-admin/includes/media.php:2318media_upload_form() <?php /** * Fires after the upload button in the media upload interface. * * @since 2.6.0 */ do_action( 'post-html-upload-ui' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores ?> </div> <p class="max-upload-size"> <?phpIntroduced in 2.6.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.